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[Bobblehead27]

I'm thinking about making some sort of half water, half land tank with some small cichlids such as shell dwellers or convicts in the water. Something that'll have fry present almost constantly.

Anyway, because of this, choosing a (at least partially) land dwelling tank mate difficult because I don't want the two species to attack/harm each other.

Any suggestions? The tank is ~110 gal

[retest]

Well, you'll need at least 30 gallons of water for the cichlids. You'll also want to make sure that you pick species that are not too sensitive to water conditions.

For land dwellers, salamanders would work, along with tree frogs. Salamanders do not need much terrestrial area. They, however, will want an area to occasionally soak themselves in water. Tree frogs like to hang out on branches over bodies of water.

Anoles would also work here. But you'll need more land area, and/or a tiered background.

If you don't use a separate water dish, you'll want to make an area containing a small incline that would allow the land dwellers an opportunity to drink water where your cichlids reside. You may also want to create a small barrier/berm that would make it difficult for the cichlids to cross over.